Exterior Stairways: Guide to Outdoor Stair, Railing, Landing , , Exterior or Outdoor Stair, railing, guardrail, landing, tread, and step , Amateur exterior stair deck construction (C) D Friedman ,.. Mike I have not seen a building code that required specific materials to be sued for stairs. , steps my mate slip on some steps where each step was cover with tiles such there be tread on them.

Selecting Wood for Outdoor Structures - SULIS: Sustainable Urban , , Examination of the six basic materials commonly used for outdoor structure will , to its high cost you may only want to use it on the most visible parts of the deck.